Add logs to coverage reports

Ref: #324281 (closed)

What does this MR do?

This MR adds more debugging data to investigate a current bug when fetching coverage reports data with reactive cache.

To validate our current hypothesis (invalid cache key) we need to add more data so we can better understand what's happening in sentry.

Does this MR meet the acceptance criteria?

Conformity

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  • I have not included a changelog entry because this is not a user facing change.
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Availability and Testing

• [-] Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• [-] Tested in all supported browsers
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Security

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